Wuxi Purchases Low-Voltage Distribution Cabinets, Kaihua Recycles Box-Type Power Transformers. Advanced technology for air conditioning units: a combined solution of two-stage centrifugal compressors and spray-type evaporators. This design enables the machine to maintain a high energy efficiency ratio during part load and to operate stably in complex environments and under significant load changes, greatly enhancing the unit's stability and reliability. Features: High two-stage compression efficiency ratio. Operating range significantly broader than single-stage compression, less prone to surge. High refrigeration efficiency; minimal efficiency drop when load is reduced. Reduces the rotational speed of the compressor impeller, lowering bearing wear. Consequently, increases the operational lifespan of the unit. Avoids compressor surge issues under low load conditions. Second: The spray-type evaporator has a much higher efficiency ratio and maintenance performance than the flooded evaporator, and the amount of R134a refrigerant is relatively less. The refrigerant entering the evaporator is sprayed downward from the upper part of the heat exchange tube array. The liquid refrigerant forms a film on the tube walls and flows downward. Utilizes a refrigerant circulation pump as the throttle device for the economizer evaporator, while simultaneously extracting and recycling the liquid refrigerant at the bottom of the evaporator to increase the supply of refrigerant above the tube array, ensuring all copper tubes are covered by the liquid refrigerant. The unit does not require level adjustment; general positioning is sufficient for the evaporator to function normally. The unit requires no major maintenance; only water system cleaning is needed, resulting in low repair costs. Electric refrigeration has a history of over a century, with mature technology and manufacturing processes, ease of use and maintenance, and has become a popular product with many users. Centrifugal compressors have an average lifespan of 80,000 hours, and the units are pre-filled with refrigerant and oil. Users can simply connect electricity and water at the site to use them.

Kaihua buys low-voltage distribution cabinets

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Wuxi purchasing low-voltage distribution cabinets; Kaihua box-type electrical transformer recycling

Compact insulated busbar trunking (CMC). It has poor moisture-proof and heat dissipation performance. In terms of moisture-proof, the busbars are prone to dampness and leakage during construction, leading to a decrease in inter-phase insulation resistance. The heat dissipation of the busbars mainly relies on the casing, and due to the compact arrangement of the wires, the heat dissipation of phases L2 and L3 is slow, resulting in an elevated temperature rise in the busbar trunking. The compact insulated busbar trunking is limited by the casing material and can only produce horizontal sections not exceeding 3 meters. Because of the small air gap between busbars, when passing large currents, a strong electromagnetic force is generated, causing the magnetic oscillation frequency to form an overlapping state, resulting in excessive noise.